Tools & Wizards About Us
aurea.cz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

aurea.cz

AUREA Numismatika - aukce, e-shop a odborné poradenství

Page Load Speed

3.5 sec in total

First Response

414 ms

Resources Loaded

2.7 sec

Page Rendered

402 ms

aurea.cz screenshot

About Website

Click here to check amazing AUREA content for Czech Republic. Otherwise, check out these important facts you probably never knew about aurea.cz

AUREA Numismatika: aukční dům, e-shop, NGC grading, ocenění a odborné články. Od roku 2000 v Praze pro sběratele i investory.

Visit aurea.cz

Key Findings

We analyzed Aurea.cz page load time and found that the first response time was 414 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

aurea.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

aurea.cz

414 ms

www.aurea.cz

569 ms

source-sans-3.css

486 ms

exo-2.css

494 ms

webfont.js

39 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 16% of them (8 requests) were addressed to the original Aurea.cz, 71% (36 requests) were made to Cdn.myshoptet.com and 4% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (867 ms) relates to the external source Cdn.myshoptet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.6 kB (30%)

Content Size

378.5 kB

After Optimization

265.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Aurea.cz main page is 378.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 205.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 72.1 kB

  • Original 92.1 kB
  • After minification 81.4 kB
  • After compression 20.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.7 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 72.1 kB or 78% of the original size.

Image Optimization

-20%

Potential reduce by 41.1 kB

  • Original 205.3 kB
  • After minification 164.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, AUREA needs image optimization as it can save up to 41.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 453 B

  • Original 81.2 kB
  • After minification 81.2 kB
  • After compression 80.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (41%)

Requests Now

46

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AUREA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aurea.cz

aurea.cz

414 ms

www.aurea.cz

www.aurea.cz

569 ms

source-sans-3.css

source-sans-3.css

486 ms

exo-2.css

exo-2.css

494 ms

webfont.js

webfont.js

39 ms

bootstrap.min.css

bootstrap.min.css

497 ms

jquery-ui.css

jquery-ui.css

502 ms

font-shoptet.css

font-shoptet.css

506 ms

slick.css

slick.css

504 ms

animate.css

animate.css

578 ms

screen.min.css

screen.min.css

867 ms

Aurea_main_3.css

Aurea_main_3.css

183 ms

ytag.min.js

ytag.min.js

59 ms

js

js

95 ms

sdk.js

sdk.js

37 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

596 ms

main-3g.js.6dcb879ed3595fa234ac.js

main-3g.js.6dcb879ed3595fa234ac.js

691 ms

datepicker-cs.js

datepicker-cs.js

507 ms

rc.js

rc.js

694 ms

slick.min.js

slick.min.js

508 ms

scroll-animation.js

scroll-animation.js

582 ms

scripts.min.js

scripts.min.js

600 ms

gjs.php

gjs.php

453 ms

logo.96f60977.png

logo.96f60977.png

148 ms

logo_web.png

logo_web.png

149 ms

icons_aukce_copy.png

icons_aukce_copy.png

148 ms

icons_eshop_copy.png

icons_eshop_copy.png

149 ms

icons_ngc_copy.png

icons_ngc_copy.png

149 ms

icons_cnb_copy.png

icons_cnb_copy.png

149 ms

icons_mince_copy.png

icons_mince_copy.png

150 ms

icons_o_nas_copy.png

icons_o_nas_copy.png

223 ms

icons_umeni_copy.png

icons_umeni_copy.png

222 ms

icons_prodej_copy.png

icons_prodej_copy.png

223 ms

icons_benefit_1.png

icons_benefit_1.png

224 ms

icons_benefit_2.png

icons_benefit_2.png

225 ms

icons_benefit_3.png

icons_benefit_3.png

225 ms

55477.jpg

55477.jpg

370 ms

47529.jpg

47529.jpg

295 ms

54202.jpg

54202.jpg

371 ms

18195-1.jpg

18195-1.jpg

296 ms

shoptetLogo.svg

shoptetLogo.svg

297 ms

07-ngc-logo.png

07-ngc-logo.png

146 ms

sta__en___soubor.png

sta__en___soubor.png

221 ms

cns_logo_200px.png

cns_logo_200px.png

222 ms

footer_punc.png

footer_punc.png

295 ms

search-grey.svg

search-grey.svg

218 ms

cart.svg

cart.svg

290 ms

sdk.js

sdk.js

32 ms

shoptet.woff

shoptet.woff

221 ms

icons.ttf

icons.ttf

228 ms

cookies-bg.svg

cookies-bg.svg

128 ms

Accessibility Review

aurea.cz accessibility score

94

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

aurea.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

aurea.cz SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aurea.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Aurea.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

aurea.cz

Open Graph data is detected on the main page of AUREA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: